28190431753 has 8 divisors (see below), whose sum is σ = 31040612640. Its totient is φ = 25388153280.

The previous prime is 28190431729. The next prime is 28190431783. The reversal of 28190431753 is 35713409182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28190431753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28190431783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11974368 + ... + 11976721.

It is an arithmetic number, because the mean of its divisors is an integer number (3880076580).

Almost surely, 2^28190431753 is an apocalyptic number.

It is an amenable number.

28190431753 is a deficient number, since it is larger than the sum of its proper divisors (2850180887).

28190431753 is a wasteful number, since it uses less digits than its factorization.

28190431753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23951207.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 28190431753 in words is "twenty-eight billion, one hundred ninety million, four hundred thirty-one thousand, seven hundred fifty-three".